These signs can be CUSTOM made or you can choose from many common signs already in STOCK. Standard signs are manufactured from economical yet DURABLE materials. They are 3/64" thick and sprayed with a polyester powder coated paint which is then baked on. These signs have an average life span of 5 years. Many parking control and regulatory signs are also AVAILABLE with an ENGINEERING grade reflective sheeting on .080 aluminum. This material is not only durable, but it will REFLECT at night when light hits it. These signs are 1/16" thick, will never rust, and have a MINIMUM life span of 7 years. These parking control and regulatory signs meet most State and Federal D.O.T. SPECIFICATIONS.